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Cisco QSFP-40G-UNIV Compatible 40GBASE-UNIV QSFP+ Transceiver (Single mode Fiber&Multimode Fiber, 1310nm, 2km, LC, DOM)
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Amazon.com: 100 Gigabit QSFP28 MPO Multi-mode Transceiver, 100GBASE-SR4 Module for Cisco QSFP-100G-SR4-S, 850nm, DDM, 100m : Electronics
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